PR libgcj/35979:
	* jni.cc (_Jv_JNI_NewStringUTF): Return NULL if bytes==NULL.

From-SVN: r134471

From-SVN: r134466

2008-04-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/35892
	* gfortran.dg/pr35154-dwarf2.f: Remove.
	* gfortran.dg/pr35154-stabs.f: Remove.

From-SVN: r134465

2008-04-18  Jerry DeLisle  <jvdelisle@gcc.gnu.org>

	PR fortran/35724
	* trans-common.c (create_common): Revert patch causing regression.

From-SVN: r134464

	PR tree-optimization/35977
	* gcc.dg/tree-ssa/forwprop-3.c: Use -O2 rather than -O.

From-SVN: r134463

	* decl.c (gnat_to_gnu_entity) <object>: When trying to promote the
	alignment, reset it to zero if it would end up not being greater
	than that of the type.

From-SVN: r134461

From-SVN: r134456

2008-04-18  Rafael Espindola  <espindola@google.com>
	* tree-vrp.c (find_case_label_index): Fix the binary search.
	(find_case_label_range): New.
	(vrp_visit_switch_stmt): Use find_case_label_range.
	(simplify_switch_using_ranges): Use find_case_label_range.

From-SVN: r134452

From-SVN: r134451

From-SVN: r134449

	PR target/35907
	* gcc.target/powerpc/pr35907.c: New test.

Co-Authored-By: Peter Bergner <bergner@vnet.ibm.com>

From-SVN: r134447

decl.c (maybe_pad_type): Only generate the XVS parallel type if the padded type has a variable size.

	* decl.c (maybe_pad_type): Only generate the XVS parallel type if
	the padded type has a variable size.

From-SVN: r134443

gimplify.c (gimplify_modify_expr_rhs): Gimplify the LHS using the is_gimple_lvalue predicate instead of is_gimple_min_lval.

	* gimplify.c (gimplify_modify_expr_rhs) <COND_EXPR>: Gimplify the LHS
	using the is_gimple_lvalue predicate instead of is_gimple_min_lval.

From-SVN: r134442

re PR preprocessor/15500 (gcc ignores locale when converting wide string literals to wchar_t strings)

	PR libcpp/15500:
	* doc/cpp.texi (Implementation-defined behavior): Mention
	-finput-charset.

From-SVN: r134441

	* fold-const.c (pointer_may_wrap_p): New static function.
	(fold_comparison): Add another test for pointer overflow.  Use
	pointer_may_wrap_p to disable some false positives.

From-SVN: r134440

libcpp/ChangeLog:
2008-04-14  Kris Van Hees <kris.van.hees@oracle.com>

* include/cpp-id-data.h (UC): Was U, conflicts with U... literal.
* include/cpplib.h (CHAR16, CHAR32, STRING16, STRING32): New tokens.
(struct cpp_options): Added uliterals.
(cpp_interpret_string): Update prototype.
(cpp_interpret_string_notranslate): Idem.
* charset.c (init_iconv_desc): New width member in cset_converter.
(cpp_init_iconv): Add support for char{16,32}_cset_desc.
(convert_ucn): Idem.
(emit_numeric_escape): Idem.
(convert_hex): Idem.
(convert_oct): Idem.
(convert_escape): Idem.
(converter_for_type): New function.
(cpp_interpret_string): Use converter_for_type, support u and U prefix.
(cpp_interpret_string_notranslate): Match changed prototype.
(wide_str_to_charconst): Use converter_for_type.
(cpp_interpret_charconst): Add support for CPP_CHAR{16,32}.
* directives.c (linemarker_dir): Macro U changed to UC.
(parse_include): Idem.
(register_pragma_1): Idem.
(restore_registered_pragmas): Idem.
(get__Pragma_string): Support CPP_STRING{16,32}.
* expr.c (eval_token): Support CPP_CHAR{16,32}.
* init.c (struct lang_flags): Added uliterals.
(lang_defaults): Idem.
* internal.h (struct cset_converter) <width>: New field.
(struct cpp_reader) <char16_cset_desc>: Idem.
(struct cpp_reader) <char32_cset_desc>: Idem.
* lex.c (digraph_spellings): Macro U changed to UC.
(OP, TK): Idem.
(lex_string): Add support for u'...', U'...', u... and U....
(_cpp_lex_direct): Idem.
* macro.c (_cpp_builtin_macro_text): Macro U changed to UC.
(stringify_arg): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.

gcc/ChangeLog:
2008-04-14  Kris Van Hees <kris.van.hees@oracle.com>
  
* c-common.c (CHAR16_TYPE, CHAR32_TYPE): New macros.
(fname_as_string): Match updated cpp_interpret_string prototype.
(fix_string_type): Support char16_t* and char32_t*.
(c_common_nodes_and_builtins): Add char16_t and char32_t (and
derivative) nodes.  Register as builtin if C++0x.
(c_parse_error): Support CPP_CHAR{16,32}.
* c-common.h (RID_CHAR16, RID_CHAR32): New elements. 
(enum c_tree_index) <CTI_CHAR16_TYPE, CTI_SIGNED_CHAR16_TYPE,
CTI_UNSIGNED_CHAR16_TYPE, CTI_CHAR32_TYPE, CTI_SIGNED_CHAR32_TYPE,
CTI_UNSIGNED_CHAR32_TYPE, CTI_CHAR16_ARRAY_TYPE,
CTI_CHAR32_ARRAY_TYPE>: New elements.
(char16_type_node, signed_char16_type_node, unsigned_char16_type_node,
char32_type_node, signed_char32_type_node, char16_array_type_node,
char32_array_type_node): New defines.
* c-lex.c (cb_ident): Match updated cpp_interpret_string prototype.
(c_lex_with_flags): Support CPP_CHAR{16,32} and CPP_STRING{16,32}.
(lex_string): Support CPP_STRING{16,32}, match updated
cpp_interpret_string and cpp_interpret_string_notranslate prototypes.
(lex_charconst): Support CPP_CHAR{16,32}.
* c-parser.c (c_parser_postfix_expression): Support CPP_CHAR{16,32}
and CPP_STRING{16,32}.

gcc/cp/ChangeLog:
2008-04-14  Kris Van Hees <kris.van.hees@oracle.com>

* cvt.c (type_promotes_to): Support char16_t and char32_t.
* decl.c (grokdeclarator): Disallow signed/unsigned/short/long on
char16_t and char32_t.
* lex.c (reswords): Add char16_t and char32_t (for c++0x).
* mangle.c (write_builtin_type): Mangle char16_t/char32_t as vendor
extended builtin type u8char32_t.
* parser.c (cp_lexer_next_token_is_decl_specifier_keyword): Support
RID_CHAR{16,32}.
(cp_lexer_print_token): Support CPP_STRING{16,32}.
(cp_parser_is_string_literal): Idem.
(cp_parser_string_literal): Idem.
(cp_parser_primary_expression): Support CPP_CHAR{16,32} and
CPP_STRING{16,32}.
(cp_parser_simple_type_specifier): Support RID_CHAR{16,32}. 
* tree.c (char_type_p): Support char16_t and char32_t as char types.
* typeck.c (string_conv_p): Support char16_t and char32_t.

gcc/testsuite/ChangeLog:
2008-04-14  Kris Van Hees <kris.van.hees@oracle.com>

Tests for char16_t and char32_t support.
* g++.dg/ext/utf-cvt.C: New
* g++.dg/ext/utf-cxx0x.C: New
* g++.dg/ext/utf-cxx98.C: New
* g++.dg/ext/utf-dflt.C: New
* g++.dg/ext/utf-gnuxx0x.C: New
* g++.dg/ext/utf-gnuxx98.C: New
* g++.dg/ext/utf-mangle.C: New
* g++.dg/ext/utf-typedef-cxx0x.C: New
* g++.dg/ext/utf-typedef-
* g++.dg/ext/utf-typespec.C: New
* g++.dg/ext/utf16-1.C: New
* g++.dg/ext/utf16-2.C: New
* g++.dg/ext/utf16-3.C: New
* g++.dg/ext/utf16-4.C: New
* g++.dg/ext/utf32-1.C: New
* g++.dg/ext/utf32-2.C: New
* g++.dg/ext/utf32-3.C: New
* g++.dg/ext/utf32-4.C: New
* gcc.dg/utf-cvt.c: New
* gcc.dg/utf-dflt.c: New
* gcc.dg/utf16-1.c: New
* gcc.dg/utf16-2.c: New
* gcc.dg/utf16-3.c: New
* gcc.dg/utf16-4.c: New
* gcc.dg/utf32-1.c: New
* gcc.dg/utf32-2.c: New
* gcc.dg/utf32-3.c: New
* gcc.dg/utf32-4.c: New

libiberty/ChangeLog:
2008-04-14  Kris Van Hees <kris.van.hees@oracle.com>

* testsuite/demangle-expected: Added tests for char16_t and char32_t.

From-SVN: r134438

2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	Sync with src:
	2008-04-14  David S. Miller  <davem@davemloft.net>

        * configure.ac: Add sparc*-*-* to gold supported targets.
        * configure: Regenerate.

From-SVN: r134437

2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* configure.ac: Include override.m4.
	* configure: Regenerate.

From-SVN: r134435

2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* configure.ac: Include override.m4.
	* configure: Regenerate.

libgomp:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libdecnumber:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

gcc:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libstdc++-v3:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libobjc:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

intl:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libgfortran:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libmudflap:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

boehm-gc:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libiberty:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Add override.m4.
	* configure: Regenerate.

libffi:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libssp:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

config:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457

	* confsubdir.m4: Rename to...
	* override.m4: ... this.  Make sure aclocal always picks it.
	Add more lenient precious variable check, backported from
	autoconf trunk.

libjava/libltdl:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libjava/classpath:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libjava:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

libcpp:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

fixincludes:
2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

	PR bootstrap/35457
	* Makefile.in: Rewrite aclocal.m4 rule.
	* aclocal.m4: Regenerate.
	* configure: Regenerate.

From-SVN: r134434

decl.c (gnat_to_gnu_entity): Use the return by target pointer mechanism as soon as the size is not constant.

	* decl.c (gnat_to_gnu_entity) <E_Subprogram_Type>: Use the return by
	target pointer mechanism as soon as the size is not constant.

From-SVN: r134433

2008-04-18  Paolo Bonzini  <bonzini@gnu.org>

        * Makefile.tpl (restrap): Call `make all' using double-colon rules.
        * Makefile.in: Regenerate.

From-SVN: r134431

	* gigi.h (create_var_decl_1): Declare.
	(create_var_decl): Turn into a macro invoking create_var_decl_1.
	(create_true_var_decl): Likewise.
	* utils.c (create_var_decl_1): Make global and reorder parameters.
	(create_var_decl): Delete.
	(create_true_var_decl): Likewise.

From-SVN: r134429

configure.ac (cr16-*-*): Add case for cr16 target and include gdb as nonconfigurable directories list.

 * configure.ac (cr16-*-*): Add case for cr16 target and include gdb
   as nonconfigurable directories list.
 * configure: Regenerate.

From-SVN: r134427

	* except.c (dw2_size_of_call_site_table,
	sjlj_size_of_call_site_table): Use vector API for call_site_record.

	* cgraphbuild.c (build_cgraph_edges): Update.
	* tree-pass.h: Update comment.
	* final.c (leaf_function_p): Update.
	(leaf_renumber_regs): Update.
	(rest_of_clean_state): Update.
	* omp-low.c (expand_omp_parallel): Update.
	* ipa-reference.c (analyze_function): Update.
	* reorg.c (find_end_label): Update.
	(optimize_skip): Update.
	(fill_simple_delay_slots): Update.
	(fill_simple_delay_slots): Update.
	(make_return_insns): Update.
	(dbr_schedule): Update.
	* gimple-low.c (record_vars_into): Update.
	* cfgbuild.c (make_edges): Update.
	* function.c (assign_stack_local): Update.
	(assign_parm_adjust_stack_rtl): Update.
	(locate_and_pad_parm): Update.
	(allocate_struct_function): Do not initialize stack_alignment_needed
	and preferred_stack_boundary here.
	(stack_protect_prologue): Update.
	(stack_protect_epilogue): Update.
	(expand_function_start): Initialize stack_alignment_needed,
	preferred_stack_boundary and max_jumptable_ents.
	(expand_function_end): Update.
	(free_after_compilation): Do not NULLify epilogue_delay_list.
	* function.h (struct rtl_data): Add stack_protect_guard,
	stack_alignment_needed,
	preferred_stack_boundary, epilogue_delay_list.
	(struct function): Remove value_histograms, stack_alignment_needed,
	preferred_stack_boundary, epilogue_delay_list, max_jumptable_ents,
	last_label_uid,
	unexpanded_var_list, stack_protect_guard.
	(current_function_epilogue_delay_list): Remove.
	* ipa-type-escape.c (analyze_function): Update.
	* gimplify.c (pop_gimplify_context): Update comment.
	* calls.c (expand_call): Update.
	(emit_library_call_value_1): Update.
	* except.c (set_nothrow_function_flags): Update.
	* cfgexpand.c (get_decl_align_unit): Update.
	(create_stack_guard): Update.
	(estimated_stack_frame_size): Update.
	(expand_used_vars): Update.
	(tree_expand_cfg): Free histogram earliers, init expansion variables.
	* explow.c (allocate_dynamic_stack_space): Update.
	* tree-ssa-live.c (remove_unused_locals): Update.
	* varasm.c (mark_constant_pool): Update.
	* tree-inline.c (remap_decls): Update.
	(initialize_cfun): Update.
	(declare_return_variable): Update.
	(inline_forbidden_p): Update.
	(expand_call_inline): Update.
	(declare_inline_vars): Update.
	(tree_function_versioning): Update.
	* tree-flow.h (value_histograms): New.
	(VALUE_HISTOGRAMS): New macro.
	* basic-block.h (control_flow_graph): Add max_jumptable_ents,
	last_label_uid.
	* tree-cfg.c (set_bb_for_stmt): Update.
	(replace_by_duplicate_decl): Update.
	(move_block_to_fn): Update.
	(new_label_mapper): Update.
	(dump_function_to_file): Update.
	* ipa-struct-reorg.c (build_data_structure): Update.
	* cfgrtl.c (print_rtl_with_bb): Update.
	* reload1.c (reload): Update.
	(reload): Update.
	* config/i386/i386.c (setup_incoming_varargs_64,
	ix86_compute_frame_layout): Update.
	* config/arc/arc.c (arc_output_function_epilogue): Update.

From-SVN: r134425

	* gthr-posix.h (__gthread_active_p): Use the Solaris implementation
	for FreeBSD as well.
	* gthr-posix95.h: Likewise.

From-SVN: r134423

From-SVN: r134422

re PR preprocessor/34866 (valgrind error indication in testsuite from errors.c:156:cpp_error with gcc.dg/cpp/Wmissingdirs.c)

	PR libcpp/34866:
	* errors.c (cpp_error): Don't reference a token before the start
	of the current run.

From-SVN: r134421

From-SVN: r134418

libjava/classpath/

	* lib/gen-classlist.sh.in: Avoid grepping each omission, by
	building an awk script with a hash for literal files, and
	awk regular expressions for the rest.
	* configure.ac: Call AC_PROG_AWK.
	* configure: Regenerate.

From-SVN: r134414

libjava/classpath/

	* m4/gcc_attribute.m4 (GCC_ATTRIBUTE): Fix cache variable name.
	* tools/Makefile.am (gappletviewer, gjarsigner, gkeytool, gjar)
	(gnative2ascii, gserialver, gjavah, grmiregistry, gtnameserv)
	(gorbd, grmid, grmic) [!CREATE_WRAPPERS]: Add stub dependencies
	for these scripts, to trick automake into hiding the respective
	rules for the programs below the CREATE_WRAPPERS conditional.
	* aclocal.m4: Regenerate.
	* configure: Likewise.
	* Makefile.in: Likewise.
	* native/jni/Makefile.in: Likewise.
	* native/jni/classpath/Makefile.in: Likewise.
	* native/jni/gstreamer-peer/Makefile.in: Likewise.
	* native/jni/midi-dssi/Makefile.in: Likewise.
	* native/jni/gconf-peer/Makefile.in: Likewise.
	* native/jni/java-io/Makefile.in: Likewise.
	* native/jni/native-lib/Makefile.in: Likewise.
	* native/jni/java-util/Makefile.in: Likewise.
	* native/jni/java-lang/Makefile.in: Likewise.
	* native/jni/midi-alsa/Makefile.in: Likewise.
	* native/jni/java-nio/Makefile.in: Likewise.
	* native/jni/java-net/Makefile.in: Likewise.
	* native/jni/xmlj/Makefile.in: Likewise.
	* native/jni/qt-peer/Makefile.in: Likewise.
	* native/jni/gtk-peer/Makefile.in: Likewise.
	* native/Makefile.in: Likewise.
	* native/jawt/Makefile.in: Likewise.
	* native/fdlibm/Makefile.in: Likewise.
	* native/plugin/Makefile.in: Likewise.
	* resource/Makefile.in: Likewise.
	* scripts/Makefile.in: Likewise.
	* tools/Makefile.in: Likewise.
	* doc/Makefile.in: Likewise.
	* doc/api/Makefile.in: Likewise.
	* lib/Makefile.in: Likewise.
	* external/Makefile.in: Likewise.
	* external/jsr166/Makefile.in: Likewise.
	* external/sax/Makefile.in: Likewise.
	* external/w3c_dom/Makefile.in: Likewise.
	* external/relaxngDatatype/Makefile.in: Likewise.
	* include/Makefile.in: Likewise.
	* examples/Makefile.in: Likewise.

From-SVN: r134413

gcc/
	PR rtl-optimization/35838
	* dse.c (find_shift_sequence): Use subreg_lowpart_offset to work
	out the byte offset of the first subreg.

From-SVN: r134411

i386.md (addti3 splitter): Pass arrays of 3 operands to split_ti instead of three separate calls with...

        * config/i386/i386.md (addti3 splitter): Pass arrays of 3 operands
        to split_ti instead of three separate calls with single member arrays.
        (subti3 splitter): Ditto.
        (adddi3 splitter): Ditto with split_di.
        (subdi3 splitter): Ditto.
        (negti2 splitter): Pass arrays of 2 operands to split_ti instead of
        two separate calls with single member arrays.  Swap match_dup
        operands 1 and 2 to better fit into the array.
        (negdi2 splitter): Ditto with split_di.
        (movdfcc splitter):  Pass arrays of 2 operands to split_di instead of
        two separate calls with single member arrays.  Swap match_dup operands
        6 and 7 to better fit into the array.

From-SVN: r134403

	PR libgcj/35950:
	* tools/gnu/classpath/tools/jar/Entry.java: New version from
	Classpath.
	* tools/classes/gnu/classpath/tools/jar/Entry.class: Update.

From-SVN: r134402

        PR c++/35773
        * cp/call.c (build_user_type_conversion_1): Represent second step of
        copy-init with an rvalue conversion.
        (convert_like_real) [ck_user]: Don't implicitly add it here.
        * g++.dg/overload/autoptr1.C: New.

From-SVN: r134398

2008-04-17  H.J. Lu  <hongjiu.lu@intel.com>

	* config/i386/i386.c (sse_builtin_type): New.
	(bdesc_sse_args): Likewise.
	(bdesc_sse_3arg): Removed.
	(bdesc_2arg): Remove IX86_BUILTIN_AESKEYGENASSIST128.
	(bdesc_1arg): Remove IX86_BUILTIN_ROUNDPD and
	IX86_BUILTIN_ROUNDPS.
	(ix86_init_mmx_sse_builtins): Handle bdesc_sse_args.  Remove
	bdesc_sse_3arg.  Remove IX86_BUILTIN_ROUNDPD and
	IX86_BUILTIN_ROUNDPS.
	(ix86_expand_sse_4_operands_builtin): Removed.
	(ix86_expand_sse_operands_builtin): New.
	(ix86_expand_unop_builtin): Remove CODE_FOR_sse4_1_roundpd
	and CODE_FOR_sse4_1_roundps.
	(ix86_expand_builtin): Remove IX86_BUILTIN_AESKEYGENASSIST128.
	Handle bdesc_sse_args.  Remove bdesc_sse_3arg.

From-SVN: r134391

	* decl.c (gnat_to_gnu_entity) <object>: Promote the alignment of
	objects by default.
	* fe.h (Debug_Flag_Dot_A): Delete.
	* debug.adb (-gnatd.a): Update documentation.

From-SVN: r134390

	PR target/35907
	* config/rs6000/rs6000.c (rs6000_emit_epilogue): Restore vr and vrsave
	regs before frame pop when needed.  If use_backchain_to_restore_sp
	then load backchain into a temp reg to restore vr and vrsave.  Add
	code to restore vr after frame pop if possible.

From-SVN: r134387

    gcc/ada/
	* g-socket.ads, g-socket.adb (Get_Address): Make Stream a
	"not null" parameter.

From-SVN: r134386

    gcc/ada/
	* g-socket.adb: Add a message "IPv6 not supported" to the
	Socket_Error exception.

From-SVN: r134385

tree-vn.c (expressions_equal_p): Do not check type equality or compatibility before calling operand_equal_p.

2008-04-17  Richard Guenther  <rguenther@suse.de>

	* tree-vn.c (expressions_equal_p): Do not check type
	equality or compatibility before calling operand_equal_p.
	* fold-const.c (operand_equal_p): Check equivalence of
	integer constants before bailing out due to signedness or
	precision differences.
	* tree-ssa-sccvn.c (copy_reference_ops_from_ref): Ignore
	spurious differences in type qualification.  Ignore types
	for COMPONENT_REFs at all.

	* gcc.dg/tree-ssa/ssa-fre-17.c: New testcase.

From-SVN: r134384